test: introduce test-run-tests.t
This testfile tests the test runner itself. There were multiple regressions in the
last few weeks. Having tests would prevent this in the future.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-run-tests.t Fri May 30 12:09:49 2014 -0700
@@ -0,0 +1,8 @@
+This file tests the behavior of run-tests.py itself.
+
+Smoke test
+============
+
+ $ $TESTDIR/run-tests.py
+
+ # Ran 0 tests, 0 skipped, 0 warned, 0 failed.